Draw Transform of Render Surface From Property Trees

cc/layers/render_surface_impl.cc

Index: cc/layers/render_surface_impl.cc
diff --git a/cc/layers/render_surface_impl.cc b/cc/layers/render_surface_impl.cc
index 1054299c1131159ad5d7657c00bceb1d9090abf4..3960fd48a8e7b31d2ffe05dfd66743579fe1fbe2 100644
--- a/cc/layers/render_surface_impl.cc
+++ b/cc/layers/render_surface_impl.cc
@@ -71,6 +71,9 @@ int RenderSurfaceImpl::OwningLayerId() const {
   return owning_layer_ ? owning_layer_->id() : 0;
 }
 
+int RenderSurfaceImpl::TransformTreeIndex() const {
+  return owning_layer_ ? owning_layer_->transform_tree_index() : 0;

[ajuma, 2015/07/23 15:57:03]

I don't think owning_layer_ will ever be null (despite the function above having
a null check; owning_layer_ is used elsewhere in this file without a null
check). (Aside: the 'null' index for property trees is -1, not 0.)

[jaydasika, 2015/07/23 16:56:26]

Done.

+}
 
 void RenderSurfaceImpl::SetClipRect(const gfx::Rect& clip_rect) {
   if (clip_rect_ == clip_rect)